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(12) Patent: | (11) CA 2062500 |
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(54) English Title: | WELL LIGHT |
(54) French Title: | APPAREIL D'ECLAIRAGE |
Status: | Expired and beyond the Period of Reversal |
(51) International Patent Classification (IPC): |
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(72) Inventors : |
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(73) Owners : |
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(71) Applicants : | |
(74) Agent: | GOWLING WLG (CANADA) LLP |
(74) Associate agent: | |
(45) Issued: | 1994-11-22 |
(22) Filed Date: | 1992-03-09 |
(41) Open to Public Inspection: | 1993-07-09 |
Examination requested: | 1993-03-29 |
Availability of licence: | N/A |
Dedicated to the Public: | N/A |
(25) Language of filing: | English |
Patent Cooperation Treaty (PCT): | No |
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(30) Application Priority Data: | ||||||
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A lighting apparatus is disclosed which includes a lighting source suspended
inside a cylindrical housing. The light source is connected to a device for suspen-
ding the light source within the housing such that the housing can be removed
from the housing by lifting the device and disengaging it from the housing. The
light source may be suspended inside the housing in varying configurations to
provide different illumination patterns.
Note: Claims are shown in the official language in which they were submitted.
Note: Descriptions are shown in the official language in which they were submitted.
2024-08-01:As part of the Next Generation Patents (NGP) transition, the Canadian Patents Database (CPD) now contains a more detailed Event History, which replicates the Event Log of our new back-office solution.
Please note that "Inactive:" events refers to events no longer in use in our new back-office solution.
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Description | Date |
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Inactive: IPC from MCD | 2006-03-11 |
Inactive: IPC from MCD | 2006-03-11 |
Inactive: IPC from MCD | 2006-03-11 |
Time Limit for Reversal Expired | 2003-03-10 |
Letter Sent | 2002-03-11 |
Grant by Issuance | 1994-11-22 |
Application Published (Open to Public Inspection) | 1993-07-09 |
All Requirements for Examination Determined Compliant | 1993-03-29 |
Request for Examination Requirements Determined Compliant | 1993-03-29 |
There is no abandonment history.
The last payment was received on
Note : If the full payment has not been received on or before the date indicated, a further fee may be required which may be one of the following
Please refer to the CIPO Patent Fees web page to see all current fee amounts.
Fee Type | Anniversary Year | Due Date | Paid Date |
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MF (patent, 6th anniv.) - standard | 1998-03-09 | 1998-02-13 | |
MF (patent, 7th anniv.) - standard | 1999-03-09 | 1999-02-10 | |
MF (patent, 8th anniv.) - standard | 2000-03-09 | 2000-02-14 | |
MF (patent, 9th anniv.) - standard | 2001-03-09 | 2001-02-12 | |
MF (application, 2nd anniv.) - standard | 02 | 1994-03-09 |
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
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L.D. KICHLER CO. (THE) |
Past Owners on Record |
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DAVID PORTER |
THOMAS A. GARBER |